TNCC Best Graded Exam Questions
Normal levels of intracranial pressure - ANSWER-0-15 What is CPP and what is the normal range? - ANSWER-Cerebral perfusion pressure- measure of how much blood is getting to the brain Range for brain to auto regulate: 50-160 Role of MAP in TBI - ANSWER-if CPP isn't in normal range than MAP provides profusion to brain If pt is hypotensive (90 systolic) the MAP is not proficient then brain becomes ischemic If pt is hypertensive edema can result hypercarbia and perfusion in TBI - ANSWER-Increased carbon dioxide causes vasodilation. Decreased causes vasoconstriction Over ventilating can cause vasoconstriction and hypoperfusion in the brain Early signs of ICP - ANSWER-Headache Nausea Decreased LOC Amnesia Late signs of increased ICP - ANSWER-dilated, nonreactive pupils unresponsiveness to verbal stimuli Posturing
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